﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo05
{
    class Program
    {
        static void Main(string[] args)
        {
            //1 * 1 = 1
            //2 * 1 = 2   2 * 2 = 4
            //3 * 1 = 3   3 * 2 = 6   3 * 3 = 9
            //4 * 1 = 4   4 * 2 = 8   4 * 3 = 12  4 * 4 = 16
            //5 * 1 = 5   5 * 2 = 10  5 * 3 = 15  5 * 4 = 20  5 * 5 = 25
            //6 * 1 = 6   6 * 2 = 12  6 * 3 = 18  6 * 4 = 24  6 * 5 = 30  6 * 6 = 36
            //7 * 1 = 7   7 * 2 = 14  7 * 3 = 21  7 * 4 = 28  7 * 5 = 35  7 * 6 = 42  7 * 7 = 49
            //8 * 1 = 8   8 * 2 = 16  8 * 3 = 24  8 * 4 = 32  8 * 5 = 40  8 * 6 = 48  8 * 7 = 56  8 * 8 = 64
            //9 * 1 = 9   9 * 2 = 18  9 * 3 = 27  9 * 4 = 36  9 * 5 = 45  9 * 6 = 54  9 * 7 = 63  9 * 8 = 72  9 * 9 = 81
            for (int i = 1; i < 10; i++)
            {
                for (int j = 1; j < i + 1; j++)
                {
                    Console.Write("{0}*{1}={2}\t", i, j, j * i);
                }
                Console.WriteLine();
            }
        }
    }
}
